CAT 725-1 ThinLine Horizontal Cabinet Unit Heaters
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ThinLine™ Horizontal Cabinet Unit Heaters Type FHHC, FHHH and FHHR Exposed Cabinet Model Recessed Cabinet Model Concealed Plenum Model Engineered for flexibility and performance™

Table of Contents Nomenclature and Certification . . . . . . . . . . . . . . . . . 3 Basic design data . . . . . . . . . . . . . . . . . . . . . . . . . 15 Hideaway units model FHHH Air Volume Capacity Data . . . . . . . . . . . . . . . . . . . . 17 Cabinet units model FHHC Recessed units model FHHR Motor Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . 19 Digital Thermostats Low Voltage Interface Board Engineering Guide Specification . . . . . . . . . . . . . . . 29 Remote-mounted Room Temperature Sensor with Timed Override . . . . . . . . . . . . . . . . . . . . . 10 Room...

Nomenclature and Certification Nomenclature and Certification.. Daikin Thinline™ Horizontal Cabinet Unit Heaters are intended for use in single zone applications . They are available in sizes from 200 to 1200 cfm . Figure 2 and Figure 3 describe the main features of these units and can be referred to for component placement . These units are available in configurations with one hydronic coil, with or without electric heat for main or supplemental heating . A variety of factory- built piping packages are available, either factory or fieldinstalled. Units are available with an array of...

Features and Benefits Features and Benefits Figure 3: Unit features Diverse, Flexible Valve & Piping Packages • Software-selectable factorymounted, wired and tested Filter Options • 1" throwaway MERV 14 • Factory-assembled and shipped loose for field installation • Washable steel mesh • 1" MERV 8 • Normally closed or open, twoposition or modulating valves Standard Cabinet Color Options • Antique White • Cupola White Special Colors • Off White • Putty Beige • Soft Gray Insulation Options • ½" Fiberglass • ¼" Closed-Cell Multiple Coil Options • 2, 3 or 4-row main hot water coil • Supplemental...

Features and Benefits Features and Benefits The ThinLine Advantage ThinLine Horizontal Cabinet Unit Heaters combine features most desired in a unit heaters by building owners, specifying engineers and contractors alike. The result is a Cabinet Unit Heater design that meets the needs of all three. For building owners ThinLine Horizontal Cabinet Unit Heaters offer quiet and energy efficient operation. They fully comply with ASHRAE 62.1-2004 standards for high indoor air quality. And they offer a range of control options including BAS controls that can enhance occupant comfort and reduce...

Options and Accessories Options and Accessories Model Configurations Hideaway units model FHHH Concealed above-ceiling type Cabinet Unit Heaters can be supplied with or without factory-installed plenum. The low profile of a hideaway unit without a plenum makes it a perfect fit for applications where height is at a premium, for example drop-ceilings or over-closet projects. The return plenum is provided with an integral filter frame which is capable of carrying either 1" throwaway filter (MERV4), 1" permanent steel-mesh washable filter or higher efficiency filters to be used with ECM motors:...

Cabinet Color Options Exposed units are shipped in the standard color of Antique Ivory or Cupola White. Optional colors include: Off White. Putty Beige and Soft Gray. Custom colors are available as a special option. Please contact your Daikin sales represetative. For details of paint colors and finishes, refer to Daikin McQuay publication Form 2F-1188. Metal samples are available upon request. Tamper-proof Cabinet Option This option can be factory-installed on cabinet units to prevent access to unit controls and unauthorized removal of cabinet panels. It includes torx head screws for...

Options and Accessories Control Options Manual 4-Position Fan Switch Digital Thermostats Several styles of the fourposition fan switch (Off, High, Med, Low) are available for unit-mount, remote- or wall-mount. The remote-mount option operates on low-voltage or line-voltage power and can be provided with a factory-mounted, low-voltage interface board, which contains (3) 24-volt relays with linevoltage contactors and terminal connections. The transformer is factory-installed and wired. The unit-mounted option operates on line voltage. Daikin offers a broad range of remote wallmounted digital...

Options and Accessories T170 Thermostat with Digital Display Two thermostats are offered for remote installation: TA170 for three-speed fan control and TB170 for staged fan operation. Both thermostats are used for On-Off control of low- or line-voltage valves. For detailed information refer to IM 1152 Daikin offers two different 7-Day Programmable Digital Heating/Cooling Thermostat with constant fan or Fan cycled, On/Off Valve Control depending on the fan speed control . The thermostat interface contains buttons for use in navigation to accompanying menus/screens and for performing specific...

Options and Accessories MicroTech Controllers ThinLine Horizontal Cabinet Unit Heaters can be provided with unit-mounted MicroTech controllers and several types of sensors. MicroTech controllers can only be used with remote room sensors (described below) and not with remote thermostats. A MicroTech controller is able to operate in either a stand-alone non-communicating environment or a communicating environment. To operate in a communicating environment, a board named communication module, is installed on the unit controller. There are two types of communication modules available with...

Options and Accessories Factory Valve & Piping Packages Factory valve and piping packages are available for heating only systems with either right or left hand connections. Packages can be either factory-installed or factory-assembled and shipped-loose with the unit for field mounting. All factory-assembled packages are fully leak tested. Units are also available without valve and piping packages in either a right-hand or left-hand configurations. Factory-installed packages are welded to the coil and wired to the unit control box, MicroTech controller or LV Interface Board. For...