Daikin IM 986-2 VHC User Manual

IM 986-2 / Page 3 of 48
Table of Contents
Model Nomenclature ............................ 4-5
Vertical Stack Model VHF (Cabinet)...............4
Vertical Stack Model VHC (Chassis)...............5
Receiving, Storage & Handling ................... 6-7
Disassembling Upper & Lower Cabinet Sections..... 7-8
Dimensional Data.............................. 9-10
Unit Size 009-018..............................9
Unit Size 021-036.............................10
Pre-Installation Considerations ....................11
Cabinet Configurations...........................12
Typical Framing & Discharge Arrangements.........13
Critical Dimensions ..............................14
Framing Locations to Unit Openings..............14
Vertical Riser Stub-Outs Locations to
Unit Knockouts...............................14
Return Air Grille/Panel Dimensions...............15
Installation Procedure ......................... 16-26
Risers & Cabinet........................... 16-17
Cleaning & Flushing Water System ............ 17-19
Power Wiring From Building to Unit........... 19-20
Connect Condensate Drain Hose to Drain Stubout ...20
Water Connections ......................... 20-21
Installing Unit Chassis .........................22
Making Cabinet to Chassis Wiring Connections . . . . . 22
Installing & Wiring the Remote Control Node ......23
Installing the Return Air Grille/Panel..............24
Installing the Discharge Air Diffuser ..............25
Twin Units Installation .........................26
Controls..................................... 27-34
MicroTech III Unit Controller ...................27
Remote Reset Feature..........................27
MicroTech III Controller Terminal Locations
& Descriptions ............................ 28-29
I/O Expansion Module .........................30
MicroTech III Controller with Lon Module.........31
MicroTech III Controller with BACnet Module .. 32-33
MicroTech III Controller with Lon Module on
Board Diagram ...............................34
Typical Wiring Diagrams ...................... 35-38
MicroTech III Unit Controller, 2-Speed Fan (Toggle or
Thermostat), PSC Motor 208-230/60Hz/1-Phase,
Unit Sizes 009-018 ............................35
MicroTech III Unit Controller, 2-Speed Fan (Toggle or
Thermostat), PSC Motor 265-277/60Hz/1-Phase,
Unit Sizes 009-036 ............................36
MicroTech III Unit Controller, 2-Speed Fan (Toggle or
Thermostat), X13 Motor 208-230/60Hz/1-Phase,
Unit Sizes 021-036 ............................37
MicroTech III Unit Controller, 2-Speed Fan (Toggle or
Thermostat), X13 Motor 265-277/60Hz/1-Phase,
Unit Sizes 021-036 ............................38
Start-up........................................39
Additional Accessories (General) ................ 39-43
Thermostats & Temperature Sensors ........... 39-43
Troubleshooting .............................. 44-47
The in and outs of R-410A......................44
Refrigeration Circuit...........................45
The Water Source Heat Pump Unit ...............46
General Use & Information .....................47

Daikin IM 986-2 VHC Specifications

General

Brand	Daikin
Model	IM 986-2 VHC
Category	Heat Pump
Language	English