Carrier HRVCCLHU Installation, Start-Up, And Operating Instructions Manual page 17

Table 14---System Wiring
Colors and Connections
WALL CONTROL WALL CONTROL
CONTROL MODULE WIRE
Terminal Block Identifi- Color Terminal NO. Terminal Identification
Terminal Block No. cahon
J3-9 B Black J1-4 B
J3-8 G Green J1-3 G
J3-7 R Red J1-2 R
J3-6 y Yellow J 1-4 Y
Type 2--42ommunication Problem Or Unsupported Mode (Auto
MOdel unly_
All indicators flashing at a rate of about once every 8 sec,
Communication is not properly entered or is not working.
CASE 1
User changes the mode on wall control and HRV responds to
command (OFF, LOW, or HIGH speed). Check all wires to wall
control particularly red wire. (See Table 14-.)
CASE 2
User changes the mode but, HRV does respond. All indicators
flash at a rate of about once every 8 sec. Check all wires to wall
control particularly green wire. If problem still exists, test wall
control with 5 ft of wire from HRV. If this works, change wall
control module inside HRV.
RESET
To reset HRV, proceed as follows:
l. Unplug HRV from 115vac.
2. Wait 15 sec.
3. Plug HRV into 115vac.
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