TECHNICAL MANUAL
MBVC Blowers
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Refer to Service Manual RS6200007 for installation, operation, and troubleshooting information.
All safety information must be followed as provided in the Service Manual.
Refer to the appropriate Parts Catalog for part number information.
Models listed on page 2.
This manual is to be used by qualified, professionally trained HVAC technicians only. Goodman
does not assume any responsibility for property damage or personal injury due to improper
service procedures or services performed by an unqualified person.
RT6223003
September2009
Copyright © 2009 Goodman Manufacturing Company, L.P.
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PRODUCT DESIGN
GENERAL INFORMATION
COMFORTNET™ SYSTEM
The MBVC Blower Cabinets are used in combination with a
cased evaporator coil for a two-piece blower and coil combi-
nation. This combination of blower and coil functions as the
indoor part of a split air-conditioning system, and may be
matched with a remote condensing or heat pump unit and
allows for a variety of mix-matching possibilities.
OVERVIEW
The ComfortNet™ system (or CT™ system) is a system that
includes a ComfortNet™ compatible modular blower and air
conditioner or heat pump with a CTK01AA thermostat. Any
other system configurations are considered invalid
ComfortNet™ systems and must be connected as a tradi-
tional (or legacy) system. The table below compares the
valid CT™ systems.
The blower cabinet can also function as an electric furnace
when used with an electric heater.
CT™ compatible
Modular Blower
CT™ compatible Full CT™ system
Air Conditioner benefits & features
NOTE: The electric heating elements for electric furnace
installation are not shipped with the cabinet and are field-
installed. Electric heater kits (HKR) are available as sales
accessories for supplemental electric heat.
CT™ compatible
Modular Blower
CT™ compatible Full CT™ system
Heat Pump
benefits & features
Systems should be properly sized by heat gain and loss
calculations made according to methods of the Air Condi-
tioning Contractors Association (ACCA) or equivalent. It is
the contractor’s responsibility to ensure the system has ad-
equate capacity to heat or cool the conditioned space.
A ComfortNet™ heating/air conditioning system differs from
a legacy/traditional system in the manner in which the indoor
unit, outdoor unit and thermostat interact with one another.
In a traditional system, the thermostat sends commands to
the indoor and outdoor units via analog 24 VAC signals. It is
a one-way communication path in that the indoor and out-
door units typically do not return information to the thermo-
stat.
The MBVC blower cabinet uses a variable speed motor that
maintains a constant airflow with a higher duct static. It is
approved for applications with cooling coils of up to 0.8 inches
W.C. external static pressure and includes a feature that On the other hand, the indoor unit, outdoor unit, and thermo-
allows airflow to be changed to + 10%.
stat comprising a ComfortNet™ system “communicate” digi-
tally with one another. It is now a two-way communications
path. The thermostat still sends commands to the indoor
and outdoor units. However, the thermostat may also re-
quest and receive information from both the indoor and out-
door units. This information may be displayed on the CT™
thermostat. The indoor and outdoor units also interact with
one another. The outdoor unit may send commands to or
request information from the indoor unit. This two-way digital
communications between the thermostat and subsystems
(indoor/outdoor unit) and between subsystems is the key to
unlocking the benefits and features of the ComfortNet™ sys-
tem.
The MBVC blower cabinets, with proper coil matches, can
be positioned for upflow, counterflow, horizontal right or hori-
zontal left operation. All units are constructed with R-4.2
insulation. In areas of extreme humidity (greater than 80%
consistently), insulate the exterior of the blower with insula-
tion having a vapor barrier equivalent to ductwork insulation,
providing local codes permit.
The CAPX/CHPX coils are equipped with a thermostatic ex-
pansion valve that has a built-in internal check valve for refrig-
erant metering. The CACF/CAPF/CHPF coils are equipped
with a fixed restrictor orifice.
Two-way digital communications is accomplished using only
two wires. The thermostat and subsystem controls are pow-
ered with 24 VAC Thus, a maximum of 4 wires between the
equipment and thermostat is all that is required to operate
the system.
The coils are designed for upflow, counterflow, or horizontal
application, using ECM motors on the MBVC models.
FEATURES
This modular blower is a part of the ComfortNet™ family of
products. It may be installed as part of a “legacy” system
using a standard 24 VAC thermostat. However, with the
CTK01AA ComfortNet™ thermostat kit, this modular blower
may be installed as part of a digitally communicating sys-
tem. The ComfortNet™ system provides automatic airflow
configuration, enhanced setup features, and enhanced diag-
nostics. It also reduces the number of thermostat wires to a
maximum of four.
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MBVC BLOWER SPECIFICATIONS
D
3 1/4
51/8
(3) KNOCKOUTS
1.125
1.375
1.750
.875 KNOCKOUT
(2 PLACES)
H
5
6 1/2
W
MBVC1200/1600/2000
Dimensions, inches (mm)
Physical Information
Shipping
Weight
lbs.(kg)
MODEL
Blower Wheel
(D x W)
Blower Motor
(HP)
MCA1 MOP1
W
H
D
17½
(445)
26
(660)
21
(533)
72
(32.6)
MBVC1200
MBVC1600
MBVC2000
10X8
10X8
1/2
3/4
3/4
4.3
6.3
5.8
15
15
15
21
(533)
30
(762)
21
(533)
82
(37.2)
24½
(622)
30
(762)
21
(533)
94
(42.6)
11X10
1
Minimum Circuit Ampacity (MCA) and Maximum Overcurrent Protection (MOP) for blower without supplemental heat
installed. Refer to unit nameplate for MCA and MOP with approved accessory heaters installed.
4
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MBVC BLOWER SPECIFICATIONS
BLOWER OPENING DIMENSIONS
(TOP VIEW)
10-7/8”
10-1/4”
11”
13-1/4”
23-1/2”
11-5/16”
11-5/16”
20-1/16”
16-1/2”
SM LL
A
MEDI M
LARGE
U
MBVC1200/1600/2000
HKR HEATER DATA
HEATER KIT
BLOWER
NO HEAT KIT
HKR-03*
HKR05-(C)*
HKR-06*
HKR-08(C)*
MBVC
1200AA-1AA
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
1600AA-1AA
2000AA-1AA
^ = Circuit 1: Single Phase for Air Handler Motor
Circuit 2: 3-Phase for HKR3 Heater Kits
* = Revision level that my or may not be designated
C = Circuit Breaker option
X = Allowable combinations
~ = Restricted combinations
HEATER KIT
BLOWER
HKR-10(C)*
HKR-15C*
HKR-20C*
HKR-21C*
MBVC
1200AA-1AA
X
X
X
X
X
X
~
~
X
~
~
~
1600AA-1AA
2000AA-1AA
^ = Circuit 1: Single Phase for Air Handler Motor
Circuit 2: 3-Phase for HKR3 Heater Kits
* = Revision level that my or may not be desig
C = Circuit Breaker option
X = Allowable combinations
~ = Restricted combinations
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BLOWER PERFORMANCE DATA
SWITCH SWITCH SWITCH
HTR kW
MBVC1200*
MBVC1600* MBVC2000*
9
10
11
3
5
600
600
635
740
1000
1400
NR
800
800
800
800
ON
ON
ON
ON
ON
OFF
ON
6
800
800
ON
OFF
OFF
ON
8
1000
1000
1500
NR
1000
1200
1500
2000
NR
ON
OFF
ON
10
15
20
21
OFF
OFF
OFF
ON^
ON
OFF
ON
OFF
ON^
NR
NR
ON^
^ Factory setting
COOL SELECTION ADJUST SELECTION PROFILE SELECTION
SWITCHES SWITCHES SWITCHES
LOW STAGE HIGH STAGE
MODEL
COOL
COOL
1
2
3
4
5
6
400
540
670
600
800
OFF
ON
OFF
OFF
ON
OFF
ON
OFF
OFF
ON
ON
OFF
ON
OFF
OFF
ON
MBVC1200
1000
OFF
OFF
OFF
ON
ON
800
670
1200
1000
1200
1400
1600
1200
1600
1800
2000
ON
OFF
ON
ON
OFF
ON
ON
OFF
ON
OFF
OFF
ON
OFF
OFF
ON
OFF
OFF
ON
800
MBVC1600
MBVC2000
940
OFF
ON
OFF
ON
OFF
ON
1070
800
ON
ON
ON
OFF
ON
OFF
ON
OFF
ON
OFF
OFF
ON
OFF
OFF
ON
OFF
OFF
ON
1070
1200
1340
OFF
ON
OFF
ON
OFF
ON
ON
ON
ON
Locate the blower speed selection DIP switches on the integrated control module. Select the desired
“cooling” speed tap by positioning switches 1 and 2 appropriately. Select the desired “adjust” tap by
positioning switches 3 and 4 appropriately. Refer to the following figure for switch positions and their
corresponding taps. Verify CFM by counting the number of times the green CFM LED blinks.
Normal*
OFF ON
+10%
-10%
Normal
OFF ON
OFF ON
OFF ON
3
3
4
3
4
3
4
4
Air flow Adjust Taps (*indicates factory setting)
Thermostat "Fan Only" Mode
During "Fan Only" operations, the CFM output is 30% of the maximum CFM capability.
CFM Trim Adjust
Minor adjustments can be made through the dipswitch combination of 3-4.
6
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WIRING DIAGRAMS
THERMOSTATS
HIGH VOLTAGE!
DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS
UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO
DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
Typical Two-Stage Cool, Two-Stage Heat
R
Thermostat
Y2
C
Y1
G
W1 W2
Modular Blower
Integrated Control Module
DEHUM
W1 W2 Y1 Y2
O
1 2 R C G
*
NEU
Y1 Y2
Dehumidistat
[Optional]
C
R
HOT
Remote Condensing Unit
(Two-Stage AC)
TypicalTwo-StageCoolingwithTwo-StageHeating
O
R
Typical Two-Stage Cool,
Y2
Y1
Two-Stage Heat
C
Heat Pump Thermostat
G
EMR
W2
Modular Blower
DEHUM
W1 W2 Y1 Y2
O
O
Integrated Control Module
1 2 R C G
*
NEU
W1
Y1 Y2
Dehumidistat
R
C
[Optional]
HOT
Remote Condensing Unit
(Two-Stage HP)
Typical Two Stage Heat Pump heating and Auxiliary/Emergency Heating
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
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WIRING DIAGRAMS
HIGH VOLTAGE!
DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS
UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO
DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
FL
FL
FL
FL
FL
FL
FL
FL
FL
FL
TL
TL
H TR1
H TR2
BK
RD
TL
TL
HTR2
HTR1
HTR1 TL
HT R1
HT R2
HT R3
TL
TL
TL
BK
RD
PLM
RD
TL
TL
H TR3
H TR4
YL
BK
PLM
1
BK
1
2
3
4
5
6
7
8
9
PLM
1
PLM
1
BK
BK
BL
BK
BK
RD
2
3
4
2
3
YL
PU
BL
RD
RD
2
3
BK
PU
YL
PU
BK
PU
BL
BL
RD
BK
BL
BK
RD
RD
BL
BL
M7
M8
M1
M2
M1
M2
M3
M1
M2
RD
BL
R
4
5
M1
M2
M3
M4
M5
M6
M1
M3
M4
RD
M4
R1
YL
4
5
R D
R2
R
BR
5
6
7
8
9
R1
R2
M2
BK
BR
WH
BK
BK
R D
RD
WH
6
7
8
9
BK
WH
WH
6
7
8
9
BK
BK
RD
BK
RD
YL
BK
YL
RD
BK
BL
BK
RD
RD
L1 L2
L1 L2
L1 L2 L1 L2
FOUR (4) ELEMENT ROWS
ONE (1) ELEMENT ROWS
TWO (2) ELEMENT ROWS
THREE (3) ELEMENT ROWS
L1 L2 L1 L2
NOTE: WHEN INSTALLING HEATER KIT, ENSURE SPEED TAP DOES NOT EXCEED MINIMUM BLOWER SPEED (MBS) SPECIFIED FOR THE AIRHANDLER/HEATER
KIT COMBINATION ON THIS UNIT'S S&R PLATE. AFTER INSTALLING OPTIONAL HEAT KIT, MARK AN "X" IN THE PROVIDED ABOVE.
MARK ACCORDING TO NUMBER OF HEATER ELEMENT ROWS INSTALLED. NO MARK INDICATES NO HEAT KIT INSTALLED.
L1
L2
GND
40 VA TRANSFORMER, SEE NOTE 1
PL2
PL1
2
230 VAC
RD
GND
2
3
RD
RD
208 VAC
COM
3
24 VAC
GN
DISCONNECT
BK
1
6
1
BL
BK
6
5
4
WH
BR
5
4
BL
RD
TH
BL
7
8
9
7
8
9
TR
COM
INDOOR
AIR
4 CIRCUIT HEATER
CONNECTOR
CIRCULATOR
BLWR
SEE
NOTE
7
FUSE
24 V
3 A
CFM LED
GND
B
K
SEE
NOTE 5
DIAGNOSTIC
LED
208/230 VAC
L2
L1
R
D
DEHUM
O
40 VA
TRANSFORMER
FUSE 3 A
1
2
TH
R
24 VAC
Y2
Y1
W2
W1
G
W1 (1)
W2 (2)
W1
HEAT SEQUENCER R1
HEAT SEQUENCER R2
3
4
DIP SWITCHES
W2
Y1
Y2
G
STATUS
C
+VDC (1)
RX (2)
LED
LEARN
RX LED
R
2
TO
MICRO
SEE NOTE 6
INDOOR
AIR
CIRCULATOR
BLWR
1
TX (3)
TWO-STAGE INTEGRATED CONTROL MODULE
BL
O
CIRCULATOR BLOWER
GY
BK
RD
GND
DEHUM
C
1
2
3
4
ECM MOTOR
HARNESS
GND (4)
TR
GN
5
COM
RD
BK
INTEGRATED CONTROL MODULE
GND
LOW VOLTAGE (24V)
LOW VOLTAGE FIELD
HI VOLTAGE (230V)
HI VOLTAGE FIELD
COLOR CODES:
PK PINK
BR BROWN
NOTES:
1. PLACE RED WIRE ON TRANSFORMER TERMINAL 2 FOR 208 VAC
OPERATION.
2. MANUFACTURER'S SPECIFIED REPLACEMENT PARTS MUST BE USED
WHEN SERVICING.
WH WHITE
BL BLUE
3. IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE BLOWER MUST
BE REPLACED, IT MUST BE REPLACED WITH WIRING MATERIAL HAVING A
TEMPERATURE RATING OF AT LEAST 105°C. USE COPPER CONDUCTORS
ONLY.
GY GRAY
RD RED
JUNCTION
TERMINAL
INTERNAL TO
YL YELLOW
OR ORANGE
VT VIOLET
GN GREEN
BK BLACK
4. UNIT MUST BE PERMANENTLY GROUNDED AND CONFORM TO N.E.C. AND
LOCAL CODES.
INTEGRATED CONTROL
5. TO RECALL THE LAST 6 FAULTS, MOST RECENT TO LEAST RECENT,
DEPRESS SWITCH FOR MORE THAN 2 SECONDS WHILE IN STANDBY (N
THERMOSTAT INPUTS).
EQUIPMENT GND
FIELD GND
6. BIAS AND TERM DIPSWITCHES MUST BE IN "ON" POSITION. RED
STATUS LED PROVIDES NETWORK STATUS. GREEN RX LED INDICATES
NETWORK TRAFFIC. USE LEARN BUTTON TO RESET NETWORK.
FIELD SPLICE
RESISTER
7. DISCARD CONNECTOR PL1 WHEN INSTALLING OPTIONAL HEAT KIT.
OVERCURRENT
PROT. DEVICE
PLUG CONNECTION
0140A00039 REV. A
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
8
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