Removal Of Existing Furnaces From Common Vent Systems - Carrier 58UVB series Installation, Start-Up, And Operating Instructions Manual

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CONNECTION DIAGRAM
SW1-7,8
M
BLOWER OFF DELAY
SELECTION
GV
HPS
90
SEC
BRN
120 C
HI
SEC GRN/YEL
GRY
150
BRN
SEC
NOTE #3
180
GRN/YEL
SEC
PL4 - MODEL PLUG CHART
MODEL MODEL
PIN RESISTANCE K
SIZE PLUG
1 - 4 2 - 3
HK70EZ
060 057 24 91
3.5T080 058 24 120
PL3
5T-080 059 24 150
1
100 060 24 180
24
120 061 220
PL8
4
A/C OR CF AIRFLOW SELECTION CHART BASED ON 350 CFM/TON
MODEL
SIZE
060
DEF. 525 700 875 1050
PL9
2
3.5T080
700
5T080,100 DEF. 2 875 1050 1225
120
DEF. 700 875 1050 1225
2
PL7
1. Default A/C airflow when A/C switches are in OFF position
2. Default cont. fan airflow when CF switches are in OFF position
A B C D
1
1
CF
1
W2 Y1 DHUM G C om W/W1 Y/Y2
1 24V
AC
L
A/C Air Conditioning (Adjustable Airflow -CFM)
E
ACR Air Conditioning Relay, SPST (N.O.)
ACRDJ Air Conditioning Relay Defeat Jumper
G
BLWM Blower Motor (ECM)
E
CF Continuous Fan (Adjustable Airflow -CFM)
N
COMMR Communication Relay, SPDT
D CPU Microprocessor / Circuitry
DHUM DHUM Connection (24VAC )
EAC-1 Electronic Air Cleaner Connection
(115VAC 1.0 Amp Max.)
EAC-2 Electronic Air Cleaner Connection (Common)
FRS Flame Rollout Switch, Man. Reset, SPST(N.C.)
FSE Flame-Proving Sensor Electrode
FUSE Fuse, 3 Amp, Automotive Blade Type,
Factory Installed
GV Gas Valve
GVR Gas Valve Relay, DPST (N.O.)
HPS High-Heat Pressure Switch, SPST (N.O.)
HPSR High-Heat Pressure Switch Relay, SPST (N.C.)
HSI Hot Surface Igniter (115VAC)
HSIR Hot Surface Igniter Relay, SPST (N.O.)
HUM 24VAC Humidifier Connection (0.5 Amp Max.)
HUMR Humidifier Relay, SPST (N.O.)
IDM Inducer Draft Motor, 2-Speed, Shaded Pole
IDR Inducer Motor Relay, SPST (N.O.)
IHI/LOR Inducer Motor Speed Change Relay, SPDT
ILK Blower Door Interlock Switch, SPST (N.O.)
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CAUTION
!
UNIT DAMAGE HAZARD
Failure to follow this caution may result in unit component
damage.
DO NOT connect furnace control HUM terminal to HUM
(humidifier) terminal on Thermidistatt, Zone Controller or
similar device. See Thermidistatt, Zone Controller,
thermostat, or controller manufacturer's instructions for
proper connection.
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LS
BLU
RED
RED
RED NOTE #8
LPS
LGPS
YEL
WHT
FSE
GRN/YEL
BRN
YEL
ORN
WHT
WHT BLK
BLK
BLK
WHT
PL2
BLK
PL1
1
4
1225 1225 1225
1 L1
1750 1750 BLK
1400
1
1400 1750 2100
1
IND
BLK NOTE #7
NEUTRAL - L2
PL12
COMM
WHT
WHT
BLU
LEDS
NOTE #11
R
STATUS
RED
CODE
WHT
IND Inductor (Note #7)
LED Light Emitting Diode for Status Codes
LGPS Low Gas Pressure Switch, SPST (N.O.)
LPS Low-Heat Pressure Switch, SPST (N.O.)
LS Limit Switch, Auto-Reset, SPST (N.C.)
PCB Printed Circuit Board
PL1 12-Circuit Connector
PL2 4-Circuit HSI & IDM Connector
PL3 4-Circuit ECM BLWM Connector
PL4 4-Circuit Model Plug Connector
PL7 4-Circuit Communication Connector
PL9 2-Circuit OAT Connector
PL10 2-Circuit HSI Connector
PL11 IDM Connector (12-Circuit)
PL12 1-Circuit Inductor Splice Connector
PL13 16-Circuit ECM Blower Ctrl. Connector
PL14 5-Circuit ECM Blower Power Connector
SW1-1 Manual Switch, Status Code Recall, SPST (N.O.)
SW1-2 Manual Switch, Low-Heat Only, SPST(N.O.)
SW1-3 Manual Switch, Low-Heat Rise Adj. SPST (N.O.)
SW1-4 Manual Switch, Comfort/Efficiency Adjustment,
SPST (N.O.)
SW1-5 Manual Switch, Cooling CFM/Ton, SPST (N.O.)
SW1-6 Manual Switch, Component Test, SPST (N.O.)
SW1-7,8 Manual Switches, Blower Off-Delay, SPST(N.O.)
SW4-1 Manual Switch, Twinning Main (OFF) / Sec. (ON)
SW4-2&3 FOR FUTURE USE
TRAN Transformer, 115VAC / 24VAC
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Fig. 23 --- Wiring Diagram
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TO 115VAC FIELD-DISCONNECT SWITCH
FRS
ILK
RED
FUSED OR CIRCUIT
ORN
BREAKER DISCONNECT
SWITCH (WHEN REQ'D)
(WHEN USED)
NOTE #2
L1 NEUTRAL
4
FU2
2
GND
10
IDM
1
12
6
BLK WHT
HSI
PL3
JB
1
ILK
PL10
2
BLK
BLWM
PL14
PL13
10 16 1 7 4 3 2 1
5
HUM
GRN/YEL
R
COMMR
W/W1
DHUM
W2
Y/Y2
JUNCTION
G
TERMINAL
Y1
CONTROL TERMINAL
COM
FACTORY POWER
WIRING (115VAC)
FACTORY CONTROL
NOTES:
WIRING (24VAC)
1. If any of the original equipment wire is replaced use wire rated for 105°C.
FIELD CONTROL
2. Use only copper wire between the disconnect switch and the furnace junction box (JB).
3. This wire must be connected to furnace sheet metal for control to prove flame.
WIRING (24VAC)
4. Symbols are electrical representation only.
CONDUCTOR ON 5. Solid lines inside PCB are printed circuit board conductors and are not included in legend.
6. Replace only with a 3 amp fuse.
CONTROL
7. Inductor is used with 3/4 hp and 1 hp ECM Blower motors.
8. Factory connected when (LGPS) not used.
FIELD WIRING
9. Blower off-delay, gas heating selections are (90, 120, 150, 180) seconds, cooling or heat pump
SCREW TERMINAL
90 seconds or 5 seconds when dehumidify call is active.
10. Ignition lockout will occur after four consecutive unsuccessful trials for ignition. Control will
EQUIPMENT
auto-reset after three hours.
11. Any of the 5 wires shown within the NEUTRAL L2 box can be connected to any terminal within the box.
GROUND
12. Blower motor (BLWM) and Inducer motor (IDM) are locked-rotor overload protected by redundant
PLUG RECEPTACLE
electronic control circuits.
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2. Humidifier (HUM)
Connect an accessory 24 VAC, 0.5 amp maximum
humidifier (if used) to the 1/4- -in. male quick- -connect
HUM terminal and COM- -24V screw terminal on the
control board thermostat strip. The HUM terminal is
energized when blower is energized in heating. (See Fig.
23 and 33.)
Step 8 —Removal of Existing Furnaces from
Common Vent Systems
When an existing Category I furnace is removed or replaced, the
original venting system may no longer be sized to properly vent
the remaining attached appliances. An improperly sized Category
I venting system could cause the formation of condensate in the
furnace and vent, leakage of condensate and combustion
products, spillage of combustion products into the living space,
etc.
17
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SCHEMATIC DIAGRAM
EQUIPMENT
L2
GROUND
L2 PL10
2
PL2
HSI
HSIR
1
3
IHI/LOR
1
IDR
2
PL11
12
4
6
1
NOTE #5
PCB
PL1-7
2
PL1-11 10
CPU
PL1-9 4
PL13
1 2 3 4 10
16
1
7
PL12
BLWM
PL12
IND
5
NOTE #7
4
L1
3
2
1
PL14
EAC
EAC-1
EAC-2
L1
PL1-6 SEC1
FU1
NOTE #6
FRS LS
HUMR
PL1-8
PL1-12
ACR HPSR LPS
PL1-2
NOTE #8
PL1-4
LGPS
(WHEN USED)
HPS
PL1-3
CPU
PL1-10 M
HI
GVR
GV
NOTE #3
PCB
C
NOTE #5
PL1-1
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L2
IDM
L2
L2
115VAC
TRAN
SEC2
24VAC
PL1-5
FSE
A06459