Introduction - Daikin MicroTech II Installation And Maintenance Manual

Introduction

This manual contains information regarding the MicroTech
II® control system used in the Daikin® RoofPak® applied
rooftop product line. It describes the MicroTech II
components, input/output configurations, field wiring
options and requirements, and service procedures.
For a description of operation and information on using the
keypad to view data and set control parameters, refer to the
appropriate program-specific operation manual, see Table 1.
For installation and commissioning instructions and general
information on a particular rooftop unit model, refer to its
model-specific installation manual, refer to Table 2.
Table 1: Program-specific unit operation literature
Rooftop unit control
configuration
Discharge Air Control (VAV or CAV)
Space Comfort Control (CAV-zone
temperature control)
Table 2: Model-specific rooftop unit installation literature
Rooftop unit model
RPS/RDT/RFS/RCS 015-135C
RPE/RDE/RCE (evaporative
condensing units)
RDS and RAH
This equipment generates, uses, and can radiate radio
frequency energy. If not installed and used in accordance with
this instruction manual, it can interfere with radio
communications. It has been tested and found to comply with
the limits for a Class A digital device, pursuant to part 15 of the
FCC rules. These limits are designed to provide reasonable
protection against harmful interference when the equipment is
operated in a commercial environment. Operation of this
equipment in a residential area is likely to cause harmful
interference; in which case users will be required to correct the
interference at their own expense.
Daikin Applied disclaims any liability resulting from any
interference or for the correction thereof.
Electric shock hazard. Can cause personal injury or
equipment damage.
This equipment must be properly grounded. Connections and
service to the MicroTech II control panel must be performed
only by personnel knowledgeable in the operation of the
equipment being controlled.
Daikin IM 696-4
Operation manual bulletin
number
OM-137-2
OM-138-2
Installation and maintenance
data bulletin number
IM 738-1
IM 791-1
IM 487-4
NOTICE
WARNING
Excessive moisture in the control panel can cause
hazardous working conditions and improper equipment
operation.
Protect the electrical components in the main control panel
from precipitation.
Extreme temperature can damage system components.
This MicroTech II controller is designed to operate in ambient
temperatures from –40°F to 158°F. It can be stored in ambient
temperatures from –65°F to 176°F. The controller is designed
to operate in a 10% to 90% RH (noncondensing) and be stored
in a 5% to 95% RH (noncondensing) environment.
Static sensitive components. A static discharge while
handling electronic circuit boards can damage
components.
Discharge any static electrical charge by touching the bare
metal inside the main control panel before performing any
service work. Never unplug any cables, circuit board terminal
blocks, relay modules, or power plugs while power is applied to
the panel.
To prevent possible unit damage, before removing power
to the controller, pump down compressor.
Introduction
WARNING
CAUTION
CAUTION
CAUTION
1