Figure 16 (continued) - 7600A/B multi-zone connections with Indirect Domestic Hot Water (DHW)
*Additional zones can be added by duplicating the plumbing and wiring of zone 3.
◄CONTINUED FROM PREVIOUS PAGE
Control Wiring (Option 3): Utilizing a Zone Panel
1.Set “DHWP on TT” (see programming section for instructions).
2.Set “C1 on TT” (default, see programming section for instructions).
3.
4.A call for heat on TT (from the DHW zone) will change boiler set point to the high limit. All other zones will heat to the reset temperature determined by the HeatManager.
5.Ensure that the zone panel and AquaSmart are powered from the same service switch.
SK10036
ZONE 1 | ZONE 2 | ZONE 3* |
LOW | LOW | |
VOLTAGE | LOW | VOLTAGE |
THERMOSTAT | VOLTAGE | THERMOSTAT |
| THERMOSTAT |
|
DHW
LIMIT
CONTROL
TW | X | END |
| ZONE |
TR | X | SWITCH |
| PANEL |
|
| Z1 | Z2 | Z3* |
L1
L2
ZR ZC
|
| L2 L1 C1 C2 ZC ZR B1 B2 | |
NEUTRAL WHITE | P1 |
| |
|
|
| |
120 VAC | BLACK | 7600A: | |
| 120 VAC BURNER OR | ||
HOT FIELD/MFR. |
| ||
CIRCULATOR | GAS IGNITION SYSTEM | ||
| SUPPLIED | 7600B: | |
| SERVICE | 120 VAC | 24 VAC GAS |
| SWITCH |
| IGNITION SYSTEM |
|
|
|
|
P3
P2P4*
CIRCULATOR
120 VAC
CIRCULATOR | CIRCULATOR |
120 VAC | 120 VAC |
AquaSmart Boiler Control Manual
21