Dunkirk Q95M-200 Installation, Operation & Maintenance Manual page 41

Wiring Diagram 7 : Primary/Secondary Piping With Zone Valves And Domestic Hot Water (With Circulator)
AR822-II
SWITCH LEGEND
[_ ON
!_] OFF
L1/3FACTORY
INSTALLED
JUMPER
--_ _BOILER
CIRC
Ye_bw
White
_BOILER CIRCULATOR WILL RUN
WITH ALL CALLS FOR HEAT.
INDIRECT WATER
HEATER AQUASTAT I TANK I
OR THERMOST_21_L I
r---m--_ STATUR _
_ RIORITY ON
PRIMARY PUMP
PRIORITY PUMP
X-X CONTACT
ZR ON
Z?,N
'_ ,¢,' '_
Note: Install
wire jumper
between
terminals 3
and 4 when
using zone
valves
without an
end switch. LUWW
_o_
_z
OPTION SWITCH
I
CH CIRC
l_, ) DHW
CIRC
I Boiler Control Panel
kl_- -Io _NT, L,
t_--_ _NT_L_
DH 2 CH C2
DHWC1
DHW C2
OUTDOOR
AIRSENSOR
X
o
Note: a priority loop zone valve is used with this configuration