Trane EHUMD800ASM00BA Installation & Maintenance Instructions Manual page 18

INSTALLATION INSTRUCTIONS
FIGURE 13 – Steam
Humidifier using 850
or 950 Control Wired
to 24 Volt Relay Panel
(BAY24VRPAC52D)
24 VOLT RELAY PANEL
G-FAN
Bk-PWM
HUM
HUM
AUX 1
AUX 1
AUX 2
AUX 2
FIGURE 15 – Steam Humidifier Wiring for Communicating Furnaces using 110 Volt HUM Output from Furnace
To 115V 1PH
(per local codes)
18
(CONTINUED)
STEAM HUMIDIFIER
HUMIDISTAT
CIRCUIT
BOARD
{ Bk
LH
60Hz power
WH
supply
LN
{
WH
EAC
Bk
WH Bk
110V ISOLATION
RELAY P/N
RLY00636
FIGURE 14 – Steam
Humidifier Wired to
824 or 624 Control
824/624 CONTROL
AUX 1
AUX 1
AUX 2
AUX 2
RC
RH
B/C
O
1/1
1/2
G
Bk
W1
W2
W3
ODT
ODT
RS1
RS1
90-2164
STEAM HUMIDIFIER
Bk
WH/1
Bk/3
HUMIDISTAT
B/2k
CIRCUIT
BOARD
STEAM HUMIDIFIER
HUMIDISTAT
CIRCUIT
BOARD
90-2165
90-2166