tekmar 406 House Control Quick Start - Manual (Page 4)

4 Product design, software and literature are Copyright ©2014 by
tekmar Control Systems Ltd., A Watts Water Technologies Company All specifications are subject to change without notice.
Printed in Canada. 406_Q - 02/14.
tekmar Control Systems Ltd., A Watts Water Technologies Company. Head Offi ce: 5100 Silver Star Road,
Vernon, B.C. Canada V1B 3K4, 250-545-7749, Fax. 250-545-0650 Web Site: www.tekmarControls.com
Item Field Range Description
AUTO,
COOL,
HEAT,
BKUP,
OFF
Default = AUTO
Access: User
Set to:
MODE
AUTO - Automatic heat pump switchover between heating and cooling. Boiler or backup
heat is brought on automatically as needed for DHW/Setpoint loads and space heating.
COOL - Heat pump only operates in cooling mode. Backup heat only operates for
DHW/Setpoint loads.
HEAT - Heat pump only operates in heating mode. Boiler or backup heat is brought on
automatically as needed for DHW/Setpoint loads and space heating.
BKUP - Heat pump is disabled. Boiler or backup heat is brought on automatically as
needed for DHW/Setpoint loads and space heating.
OFF - Heat pump is disabled. Boiler or backup heat is disabled.
T, T+M, T+B, T+MB
Default = T
Access: Installer
Set to:
WATER TEMPERATURE
T - Only a tank loop is configured.
T + B - Tank and boiler loops are configured.
T + M - Tank and mix loops are configured.
T + MB - Tank, mix, and boiler loops are configured.
TANK, BOIL, MIX
Default = TANK
Access: Installer
Set to:
ZONES 1-4
Selects which water temperature the on-board tN2 zones are associated with.
TANK - links the tN2 zones to the tank loop.
BOIL - links the tN2 zones to the boiler loop.
MIX - links the tN2 zones to the mixing loop.
Note: This item is only available when either mix or boil water temperatures have
been selected.
GEO, AIR
Default = GEO
Access: Installer
Set to:
HEAT PUMP SOURCE
Select whether the heat pump is an air-source (AIR) or water-source (GEO) heat pump.
1STG, 2STG, ROT
Default = 1STG
Access: Installer
Set to:
HEAT PUMP TYPE
1STG - operates a single stage heat pump.
2STG - operates a two-stage heat pump.
ROT - operates two heat pumps and rotates them every 48 hours difference in run time.
NONE, AUX, XFER,
VAR
Default = NONE
Access: Installer
Set to:
BACKUP
NONE - No backup heat source is available.
AUX - An auxiliary heat source (electric or instantaneous water heater) is either inside
or in-line with the storage tank.
XFER - A boiler is the backup heat source. Backup heat is transferred from the boiler
loop to the heat pump loop with the transfer pump.
VAR - A boiler is the backup heat source. Backup heat is transferred from the boiler
loop to the tank loop with the variable speed pump.
Note: If boil and mix water temperatures are configured, this item is automatically set
to XFER and is no longer displayed.
1STG,
0-10,
4-20,
EMS1,
EMS2
Default = 1STG
Access: Installer
Set to:
BOILER TYPE
The type of boiler connected to the control.
1STG - single one-stage on-off boiler
0-10 - 0-10 V (dc) modulating boiler
4-20 - 4-20 mA modulating boiler
EMS1 - tekmar boiler staging controls
EMS2 - Viessmann modulating boilers
Note: This item is only available when a boil water temperature has been selected.