|nsta||er's Guide
4TEP3F AiR HANDLERS WiTH SINGLE SPEED COOLING UNIT, 1 STAGE HEAT
COO I NG
T 'STAT
I...................................................._NOTE4
AIR HANDLER O,D, SECTION
(SINGLE SPEED)
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SEE NOT_ 2
IW P_ A
RED
FOR
..y
_E3
NO1ES:
I LOW VOI1AGE WiRiNG 10 BE NO.
18 AWG MiNiMUM CONDUCTOR
WHEN FIELD-INSTALLED HEATERS ARE
USED, DISCARD POWERLEADS W}TH
POLARIZED PLUG PN-A AND CONNECT
I-PF TO MATING PLUG }N THE HEATER
CONTROL BOX AS SHOWN
3 IF OUTDOOR THERMOSTAT (ODT) }S
NOT USED, CONNECT Wl TO W2 TO WB
ON IVTB
4 SEE HEAIER WIRING DIAGRAM FOR
HEATING ANTiCiPATOR SETTING
INTER-COMPONENT WIRING
From Dwg. 21B801083 Rev. 1
4TEP3F AIR HANDLER WITH SINGLE SPEED COOLING UNIT, 2 STAGE HEAT
COOLING
O,D. SECTION
IR HANDLER
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SEE NOTE 2
'"RF_pN.A
_Bo_SUPPL__ NTR FoRREO3PN
TO POWERSUPPLY
PER LOCALCODES &
ASDEFINEDIN
FIELDWIRINGTABLE
T'STAT
2-STAGE HEAT/
I-STAGE COOL
_--NOTE 3
_, "_-FIELD
IPNV
ADDED
JUMPER
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(SINGL SPEED)
--y
TO POWERSUPPLY
PER LOCALCODES
NOTES:
I. LOW VOLTAGEWIRING TO BE NO.
18 A.W,G. MINIMUM CONDUCTOR.
WHEN FIELD-INSTALLED HEATERS
ARE USED, DISCARD POWERLEADS
WITH POLARIZED PLUG PM-A AND
CONNECT I_PF TO MATING
PLUG IN THE HEATER
CONTROL BOX AS SHOWN,
3. SEE HEATERWIRING DIAGRAM
FOR HEATING ANTICIPATOR
SETTING,
INTER-COMPONENT WIRING
124 v _FACTORY
...... LINEIv_WlRING
24 V FIELD
LiNE V WIRING
From Dwg. 21B801081 Rev. 1
8 18-G EO2D2-4