Honeywell T7200D Product Data page 8

T7200D,E, T7300D,E,F AND Q7300 SERIES 2000 PROGRAMMABLE COMMERCIAL THERMOSTATS AND SUBBASES
Terminal Designations
Standard Alternate
EB, EB —
G F
O R
R V
RC —
RH —
T, T —
W1 H1, R3
W2 H2, R4, W3, Y Stage 2 heating relay.
W3 —
X b , C, X1, X2 Common.
B
X1, X3 A, A1, A2, C,
L, X, Z
X4 —
Y1 C1, M, Y
Y1, Y RS, M
Y2 C2
Y3 —
BM —
FC —
GH —
GL —
P1, P2 —
RM —
— C, H, L
— O
— P
— R1, R2
— T
a
Some OEM models reverse the economizer terminal designations A1 and A2.
b
Some OEM models label the terminal for transformer common B.
c
Applies only to Q7300H2037.
63-4355—4
Table 6. Terminal Designations and Descriptions. (Continued)
Typical Connection
Q7300H L W ® bus connection to L
ON ORKS
Fan relay.
Cooling changeover valve.
24V system transformer.
24V cooling transformer.
24V heating transformer.
Remote sensor input for T7047 or T7147.
Stage 1 heating relay (Q7300A,G,H) or auxiliary heat relay
(Q7300C,D,H).
Stage 3 heating relay.
User defined Light Emitting Diodes (LED).
LED common.
Stage 1 compressor contactor (Q7300C,D,H).
Stage 1 cooling compressor (Q7300A,G,H
Stage 2 cooling compressor (conventional).
Stage 2 compressor contactor (heat pump).
Stage 3 cooling compressor.
ML7984 Actuator connection (Q7300H
valve closed; call for stage 1 heat, valve approximately one-half
open; call for stage 2 heat, valve fully open.
Fan control transformer (Q7300H
High-speed fan output (Q7300H
cooling.
Low-speed fan output (Q7300H
and fan On selection.
Pump interlock relay (Q7300H
hydronic heat or energizes conventional heat system.
ML7984A Actuator connection (Q7300H
valve closed; call for stage 1 heat, valve approximately one-half
open; call for stage 2 heat, valve fully open.
HSII Control Panel.
Momentary circuit changeover.
Defrost.
Low- and high-speed fan relays.
External temperature readout, T-relay; outdoor thermistor.
W ® network.
ON ORKS
c
,L).
c
, L only); no call for heat,
c
, L only).
c
, L only); activate during calls for
c
, L only); activated on calls for heat
c
, L only); operates circulator pump in
c
, L only); no call for heat,
8
Terminal
Function Type
Input, Output Communi-
cations
Output 24V powered
contact
Output 24V powered
contact
Input —
Input —
Input —
Input —
Output 24V powered
contact
Output 24V powered
contact
Output 24V powered
contact
Input
Annunciation —
Annunciation —
Output 24V powered
contact
Output 24V powered
contact
Output 24V powered
contact
Output 24V powered
contact
Output —
Input —
Output 24V powered
contact
Output 24V powered
contact
Input, Output 24V powered
contact
Output —
— —
— —
— —
— —
— —