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The MP
2
is capable of controlling the supply water tempera-
ture for up to nine ON / OFF stages based on outdoor tem-
perature, control for the Domestic Hot Water (DHW) gener-
ation, a set point requirement or optionally an external input
signal (0 - 10 V (dc)). A large easy to read display provides
current system temperatures and operating status (FIG. 1).
The control has outputs for a primary pump and a combus-
tion air damper or alarm. Based on the mode of operation
selected, the control can operate different combinations of
boiler stages and boiler pumps.
ADDITIONAL FUNCTIONS INCLUDE:
• Installer and Advanced Access Levels
• Primary Pump Output
• Individual Boiler Pump Outputs (in applicable
modes)
• Pump Exercising
• Pump Purging (primary and boiler)
• Boiler Demand for Space Heating Loads
• DHW Demand for DHW Loads
• Set Point Demand for Set Point Loads
• Test Sequence to Ensure Proper Component
Operation
• Setback Input for Energy Savings
• 0 - 10 V (dc) Input Signal
Modes
1 Up to 9 On/Off Boilers
2 Up to 4 On/Off Boilers & 4 Pumps
3 Up to 4 Lo/Hi Boilers
4 Up to 3 Lo/Hi Boilers & 3 Pumps
5 Up to 3 Three Stage Boilers
6 Up to 2 Three Stage Boilers & 2 Pumps
7 Up to 2 Four Stage Boilers
8 1 Four Stage Boiler & 1 Pump
INSTALLATION INSTRUCTIONS
INS7162 Rev-
T
M
INTRODUCTION
FIG. 1