Lochinvar MP2 - Manual
Lochinvar MP2 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Table of Contents:
- Page 2 – TABLE OF CONTENTS; USER INTERFACE
- Page 4 – SECTION A: GENERAL OPERATION; Domestic Hot Water; DEFINITIONS
- Page 5 – Alarm; OTATION; Fixed Lead Rotation
- Page 6 – SECTION B: STAGING OPERATION
- Page 7 – Fire Delay 1
- Page 8 – SECTION C: PUMP OPERATION; The primary pump operates under the following conditions:; Primary Pump Purge
- Page 9 – Boiler Pump Purge; SECTION D: BOILER RESET OPERATION
- Page 14 – SECTION F: SET POINT OPERATION
- Page 15 – SECTION G: EXTERNAL INPUT OPERATION
- Page 17 – General; CAUTION
- Page 18 – Set Point Demand; UTPUT; Relay 1 to Relay 9
- Page 22 – DIP SWITCH SETTINGS
- Page 29 – Each step in the test sequence lasts 10 seconds.; AX; TESTING THE CONTROL
- Page 30 – ERROR MESSAGES
- Page 31 – MP; INE; TECHNICAL DATA
- Page 32 – TYPICAL BOILER INSTALLATION
- Page 34 – Tekmar 150 Controller; TYPICAL DWH PRIORITY HEATING PACKAGE SYSTEM
- Page 35 – NOTES
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-
TM
INTRODUCTION
FIG. 1
"Loading the manual" means you need to wait until the file loads and becomes available for online reading. Some manuals are very large, and the time they take to appear depends on your internet speed.
Summary
This instruction manual is organized into four main sections:1) Sequence of Operation, 2) Installation, 3) ControlSettings, and 4) Testing and Troubleshooting. TheSequence of Operation section has seven sub-sections. Werecommend reading Section A: General Operation of theSequence of Operation, as th...
The following defined terms and symbols are used through-out this manual to bring attention to the presence of hazardsof various risk levels, or to bring attention to important infor-mation concerning the life of the product, see Figure 4below. SECTION A: GENERAL OPERATION P OWERING U P THE C ONTROL...
C OMBUSTION A IR OR A LARM C ONTACT The control has an isolated contact that can be used aseither a combustion air damper contact or an alarm contact.This selection is made using the C. A. / Alarm DIP switch. Combustion Air (C. A.) When the DIP switch is set to C. A., terminals 12 and 13 canbe used ...
