Electrical Connections - Rinnai 37AHA Series Training Manual

Electrical Connections

Control Box Connections:
•
Route the air handler power supply through the aligned holes in the casing and control box.
– Note: Do not use aluminum wire between the air handler and the disconnect
switch.
•
Route and secure a field group wire to the ground screw in the control box per local codes
•
Accessory and field supplied component connections are to be routed to the air handler
control box for internal connection
BLK
BLK
WHT
WHT
GND
115 Volt Fuse Disconnect
(Field Supplied)
Flow Sensor
(Packaged with Unit)
26
3 Wire Heating Only
AIR HANDLER
Junction Box
Y1
Y2
L1
W
G
PCB
O
L2
R
C
Control Box
P3
24 Volt FS / WH Connector
FS
Rinnai Corporation Hydronic Air Handler 101 Training Manual
W G R C
Y1
5 Wire
24 Volt Terminal Block
Single Stage
Thermostat
(Available Accessory)
Field 115, 208 / 230 Volt Wiring
Field 24 Volt Wiring
Factory 24 Volt Wiring
Factory 115 Volt Wiring
208 / 230 Volt
Single Phase
Condensing Unit Disconnect
(Field Supplied)
(Field Supplied)
GND