SS-SVN016A-EN
15
Table 7. Pairing 4 air handler to condenser wiring (continued)
Cond. Required /
Optional
Air Handler
Connection
Condenser
Connection
Purpose
Instructions
4 Optional RB-J5-1 LTB1-CD Disable the compressor when EDC
switch activates
If the EDC switch in the air handler will
be utilized for low evaporator
compressor protection, remove the
jumper wire [W1(R)] that is connected
between the terminals LTB1-R & LTB1-
CD in the condenser unit. If EDC is
wired, change the connection from
Terminal ‘H’ (NO) to terminal ‘L’ (NC).
5 Optional RB-J5-7 LTB1-H1 Command to enable Heat – stage1 Conductor is required only if the air
handler is installed with the electric
heat units. If the electric heat kit is
installed, remove the bypass wires 55A
connecting J2-1 & J2-2 on RTRM
(condenser unit) to enable the electric
heat. For 2 stage electric heat, remove
the bypass wire 49A connecting J1-3 &
J1-6 on RTRM (condenser unit).
6 Optional RB-J5-8 LTB1-H2 Command to enable Heat – stage2
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