Daikin DMVT P1400 Series Installation & Operating Instructions Manual

DMVT***P1400**
AIR HANDLERS INSTALLATION &
OPERATING INSTRUCTIONS
1 Important Safety Instructions .................................... 3
2 Shipping Inspection ................................................... 3
2.1 Parts ....................................................................... 3
2.2 Handling ................................................................. 3
2.3 Shipping Material Removal..................................... 3
2.3.1 Blower Support Bracket Removal ....................... 3
3 Codes & Regulations ................................................. 3
4 Replacement Parts ..................................................... 3
5 Pre-Installation Considerations ............................... 3
5.1 Preparation ............................................................. 3
5.2 System Matches ..................................................... 3
5.3 Interconnecting Tubing ........................................... 3
5.4 Clearances ............................................................. 3
5.5 Horizontal Applications ........................................... 4
6 Installation Location ................................................... 4
6.1 Upflow and Downflow Installation (Figure 3 and 4) 4
6.2 Horizontal Left Installation (Figure 5)...................... 5
6.3 Horizontal Right Installation (Figure 6) ................... 5
6.4 Humid Environment Installations ............................ 5
6.4.1 All Installations – Humid Environments ............... 5
6.4.1.2 Downflow Installations – Humid Environments 5
6.4.1.3 Horizontal Installations – Humid Environments 5
7 Refrigerant Lines ........................................................ 6
7.1 Tubing Size ............................................................. 6
7.2 Tubing Preparation ................................................. 6
7.3 Tubing Connections ................................................ 7
7.4 Thermal Expansion Valve System Adjustment ....... 9
8 Condensate Drain Lines ........................................... 10
9 Ductwork .................................................................... 11
9.1 Return Ductwork .................................................... 11
10 Return Air Filters ..................................................... 11
11 Electric Heat ............................................................. 11
12 Electrical and Control Wiring ................................. 12
12.1 Building Electrical Service Inspection .................. 12
12.2 Wire Sizing .......................................................... 12
12.3 Maximum Overcurrent Protection (MOP) ............ 12
12.4 Electrical Connections – Supply Voltage ............. 13
DO NOT BYPASS SAFETY DEVICES.
RECOGNIZE SYMBOL THIS
AS A SAFETY PRECAUTION
NOTE: SPECIFICATIONS AND PERFORMANCE DATA LISTED HEREIN
ARE SUBJECT TO CHANGE WITHOUT NOTICE
NOTICE: IF AN "Ec" error is encountered on startup, verify that the elec-
tric heater DIP switches have been set to the appropriate heater size. See
pages 14-17 for the heater kit airflow delivery and DIP switch settings.
Contents
WARNING
© 2022-2023
www.daikincomfort.com
19001 Kermier Rd., Waller, TX 77484
P/N: IOD-4040B Date: February 2023
Only personnel that have been trained to install, adjust,
service, maintenance or repair (hereinafter, "service")
the equipment specified this manual should service the
equipment.
This equipment is not intended for use by persons (including
children) with reduced physical, sensory or mental
capacities, or lack of experience and knowledge, unless
they have been given supervision or instruction concerning
use of the appliance by a person responsible for their
safety.
Children should be supervised to ensure that they do not
play with the equipment.
The manufacturer will not be responsible for any injury or
property damage arising from improper supervision, service
or service procedures. If you service this unit, you assume
responsibility for any injury or property damage which may
result. In addition, in jurisdictions that require one or more
licenses to service the equipment specified in this manual,
only licensed personnel should service the equipment.
Improper supervision, installation, adjustment, servicing,
maintenance or repair of the equipment specified in this
manual, or attempting to install, adjust, service or repair
the equipment specified in this manual without proper
supervision or training may result in product damage,
property damage, personal injury or death.
WARNING